The Reverse Grafitti Project in San Francisco is creating environmental art by cleaning up dirt and grime from walls. In the video above, you can see them making a 140 feet long mural in the Broadway tunnel. It shows native species of native plants that would be living in the area of that tunnel if it wasn’t currently the city’s downtown.

A masked man, dressed like a creature from the swamps has been filling empty planters and baskets with brightly-coloured marigolds and begonias. He was last seen wandering the streets carrying a sign saying “Save the Roses” after Colchester, England council threatened to bulldoze its rose beds to save money. He waved a banner urging people to “save his brothers the shrubs, and sisters the roses”. Now he has returned to carry out random acts of planting throughout the town

“The unique qualities of our water come from 25 years of slow-leaching toxins at the site of the world’s largest industrial accident.” One swig and you’re whisked away to Bhopal, India where in 1984 an explosion at a Union Carbide pesticide factory killed thousands and released a health nightmare that still persists. B’eau Pal bottled water (“not fit for human consumption,” by the way) is not the first time the Yes Men have wagged a shaming middle finger at Dow, the company that bought Union Carbide and denies responsibility for the disaster’s fallout